JSTOR
Full-text articles from more than 100 journals in the arts and sciences.

ProQuest
Indexes and abstracts over 3,900 journals, newspapers and general interest magazines. Includes The New York Times and The Herald. Full text of over 65% of the contents.

Science Direct
Access to full-text articles in thousands of journals in the physical sciences, engineering, life sciences, and health sciences. Citations (but no full-text) are available for articles in the social sciences.